A 10L container at 300K contains CO2 gas at pressure of 0.2 atm and an excess solid CaO (neglect thevolume of solid CaO). The volume of container is now decreased by moving the movable piston fitted in the container. What will be the maximum volume of container when pressure of CO2 attains its maximum value given that CaCO3 (s) CaO(s) + CO2(g)Kph = 0.800 atm

1. 5 L

2. 2.5 L

3. 1 L

4. The information is insufficient.

Subtopic:  Kp, Kc & Factors Affecting them |
 79%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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An equilibrium mixture at 700 K of 0.50 M N2, 3.00 M H2 and 2.00 M NH3 is present in a container. Now if this equilibrium is disturbed by adding N2 so that its concentration becomes 1.50 M just after addition then which of the following graphs represents the above situation more appropriately –

(1)

(2)

(3)

(4)

Subtopic:  Introduction To Equilibrium |
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At 1400 K, Kc= 2.5x10-3 for the reaction CH4(g) + 2H2S(g) CS2(g) + 4H2(g). A 10.0L reaction vesselat 1400 K contains 2.00 mole of CH4, 3.0 mol of CS2, 3.0 mole of H2 and 4.0 mole of H2S. Then

1. This reaction, is at equilibrium with above concentrations.
2. The reaction will proceed in forward direction to reach equilibrium.
3. The reaction will proceed in backward direction to reach equilibrium.
4. The information is insufficient to decide the direction of progress of reaction.
Subtopic:  Kp, Kc & Factors Affecting them |
 58%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The graph which will be representing all the equilibrium concentrations for the reaction N2O4(g) 2NO2 (g) will be : (the concentrations of N2O4 (g) and of NO (g) for which the following reaction will be at equilibrium will lie:

(1)       

(2)        

(3)         

(4)      

Subtopic:  Introduction To Equilibrium |
 64%
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For the chemical equilibrium, CaCO3(s) CaO(s) + CO2 (g) ΔHf° can be determined from which one of the following plots ?

(1)  

(2) 

(3) 

(4) 

Subtopic:  Le Chatelier's principle |
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At a certain temperature the following equilibrium is established, CO(g) + N02(g) CO2(g)+ NO(g)One mole of each of the four gas is mixed in one litre container and the reaction is allowed to reach equilibrium state. When excess of baryta water (Ba(OH)2) is added to the equilibrium mixture, the weight of white ppt (BaCO3) obtained is 236.4 gm. The equilibrium constant Kc of the reaction is (Ba = 137)

(1) 1.2

(2) 2.25

(3) 2.1

(4) 3.6

Subtopic:  Kp, Kc & Factors Affecting them |
 67%
From NCERT
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At temperature T, the compound AB2 (g) dissociates according to the reaction, 2AB2 (g) 2 AB(g) + B2(g). With a degree of dissociation x, which is small compared with unity. Deduce the expression for x in terms of the equilibrium constant, Kp and the total pressure, P.

(1) x = 2KpP1/3

(2) x = KpP1/3

(3) x = Kp2P1/3

(4) x = 6Kp3P1/3

Subtopic:  Kp, Kc & Factors Affecting them |
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Equilibrium constant for the given reaction is kc = 1020 at temperature 300 K,A(s) + 2B (aq.) 2C (s) + D (aq.)K = 1020 The equilibrium conc. of B starting with mixture of 1 mole of A and 1/3 mole/litre of B at 300 K is

(1) ~4×1011

(2) ~2×1010

(3) ~2×1011

(4) ~1010

Subtopic:  Kp, Kc & Factors Affecting them |
From NCERT
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10L box contain O3 and O2 at equilibrium at 2000 K. The ΔG° = –534.52 kJ at 8 atm equilibrium pressure.The following equilibrium is present in the container. 2O3(g) 3O2(g). The partial pressure of O3 will be (ln 10 = 2.3, R = 8.3 Jmole–1K–1):

(1) 8 ×104

(2) 22.62 × 10-7

(3) 9.71 × 10-6

(4) 9.71 × 10-2

Subtopic:  Kp, Kc & Factors Affecting them |
 64%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Solid ammonium carbamate dissociates to give ammonia and carbon dioxide as follows:

NH2COONH4(s) 2 NH3(g) + CO2(g) At equilibrium, ammonia is added such that partial pressures of NH3 now equals the original total pressure. Calculate the ratio of the total pressures now to the original total pressure.

(1) 3127

(2) 6040

(3) 319

(4) 6227

Subtopic:  Kp, Kc & Factors Affecting them |
 54%
From NCERT
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